Apache James: More Than Emails in the Cloud
summary
Apache James is an email-server platform that adds a programmable processing layer via Mailets and a scalable HBase-backed store. The HBase mailbox uses a three-table schema (mailboxes, subscriptions, messages), a compound UUID row keys + message-UID in reverse order to surface newest messages first, and three column families (meta, headers, body) to fetch headers without bodies. Mailet processing can be distributed with Akka; distributed UID generation exists (ZooKeeper) and mailbox locking is underway. The stack runs on Spring and claims to handle billions of messages for millions of users.
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chapters (11)
- 0:00Introduction to Apache James
- 1:12Mail eights and components
- 2:37Hoopa and filtering tools
- 4:04JDKIM and JavaMail alternatives
- 4:24Apache James protocols
- 5:06Mailbox project overview
- 6:53HBase mailbox schema
- 10:32James server architecture
- 13:09Scaling James solutions
- 14:33Beyond emails in the cloud
- 17:14Q&A session
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